From 1b01f141ce39b43535b95f759c4ae7a874580ca3 Mon Sep 17 00:00:00 2001
From: oblonski <4sschroeder@gmail.com>
Date: Thu, 10 Apr 2014 10:10:09 +0200
Subject: [PATCH] bugfix issue #91 - defined yAxis.rangeValues in case of no
 range in analysis.toolbox.AlgorithmSearchProgressChartListener.java

---
 .../toolbox/AlgorithmSearchProgressChartListener.java     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartListener.java b/jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartListener.java
index 0a2a1d6e..12338071 100644
--- a/jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartListener.java
+++ b/jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartListener.java
@@ -124,7 +124,13 @@ public class AlgorithmSearchProgressChartListener implements IterationEndsListen
 		Range rangeBounds = coll.getRangeBounds(true);
 		double upper = Math.min(rangeBounds.getUpperBound(), rangeBounds.getLowerBound()*5);
 		if(upper == 0.0){ upper = 10000; }
-		yAxis.setRangeWithMargins(rangeBounds.getLowerBound(),upper);
+		if(rangeBounds.getLowerBound() == upper){
+			yAxis.setRangeWithMargins(rangeBounds.getLowerBound()-rangeBounds.getLowerBound()*.1,upper+upper*.1);
+		}
+		else{
+			yAxis.setRangeWithMargins(rangeBounds.getLowerBound(),upper);
+		}
+		
 		
 		try {
 			ChartUtilities.saveChartAsJPEG(new File(filename), chart, 1000, 600);